<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>

	<body>
		<form action="1.php" method="post" autocompelete="on">
			<input type="text" name="city" list="citylist">
			<datalist id="citylist">
				<option value="beijing">北京</option>
				<option value="nanjing">南京</option>
				<option value="guandong">广东</option>
			</datalist>
		</form>
	</body>

</html>